Summary data stasiun Tiantan

Dataset statistics

Number of variables	18
Number of observations	35064
Missing cells	5277
Missing cells (%)	0.8%
Duplicate rows	0
Duplicate rows (%)	0.0%
Total size in memory	4.8 MiB
Average record size in memory	144.0 B

Variable types

Numeric	15
Categorical	3

Alerts

`station` has constant value ""	Constant
`CO` is highly overall correlated with `NO2` and 2 other fields	High correlation
`DEWP` is highly overall correlated with `PRES` and 1 other fields	High correlation
`NO2` is highly overall correlated with `CO` and 3 other fields	High correlation
`No` is highly overall correlated with `year`	High correlation
`O3` is highly overall correlated with `NO2` and 1 other fields	High correlation
`PM10` is highly overall correlated with `CO` and 2 other fields	High correlation
`PM2.5` is highly overall correlated with `CO` and 2 other fields	High correlation
`PRES` is highly overall correlated with `DEWP` and 1 other fields	High correlation
`TEMP` is highly overall correlated with `DEWP` and 2 other fields	High correlation
`year` is highly overall correlated with `No`	High correlation
`PM2.5` has 677 (1.9%) missing values	Missing
`PM10` has 597 (1.7%) missing values	Missing
`SO2` has 1118 (3.2%) missing values	Missing
`NO2` has 744 (2.1%) missing values	Missing
`CO` has 1126 (3.2%) missing values	Missing
`O3` has 843 (2.4%) missing values	Missing
`RAIN` is highly skewed (γ1 = 27.3358138)	Skewed
`No` is uniformly distributed	Uniform
`No` has unique values	Unique
`hour` has 1461 (4.2%) zeros	Zeros
`RAIN` has 33673 (96.0%) zeros	Zeros
`WSPM` has 623 (1.8%) zeros	Zeros

Reproduction

Analysis started	2024-03-08 05:15:26.811117
Analysis finished	2024-03-08 05:16:08.863423
Duration	42.05 seconds
Software version	ydata-profiling vv4.6.5
Download configuration	config.json

No
Real number (ℝ)

HIGH CORRELATION UNIFORM UNIQUE

Distinct	35064
Distinct (%)	100.0%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	17532.5

Minimum	1
Maximum	35064
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	1
5-th percentile	1754.15
Q1	8766.75
median	17532.5
Q3	26298.25
95-th percentile	33310.85
Maximum	35064
Range	35063
Interquartile range (IQR)	17531.5

Descriptive statistics

Standard deviation	10122.249
Coefficient of variation (CV)	0.57734204
Kurtosis	-1.2
Mean	17532.5
Median Absolute Deviation (MAD)	8766
Skewness	0
Sum	6.1475958 × 10⁸
Variance	1.0245993 × 10⁸
Monotonicity	Strictly increasing

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
1	1	< 0.1%
23379	1	< 0.1%
23373	1	< 0.1%
23374	1	< 0.1%
23375	1	< 0.1%
23376	1	< 0.1%
23377	1	< 0.1%
23378	1	< 0.1%
23380	1	< 0.1%
23422	1	< 0.1%
Other values (35054)	35054	> 99.9%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
1	1	< 0.1%
2	1	< 0.1%
3	1	< 0.1%
4	1	< 0.1%
5	1	< 0.1%
6	1	< 0.1%
7	1	< 0.1%
8	1	< 0.1%
9	1	< 0.1%
10	1	< 0.1%

Value	Count	Frequency (%)
35064	1	< 0.1%
35063	1	< 0.1%
35062	1	< 0.1%
35061	1	< 0.1%
35060	1	< 0.1%
35059	1	< 0.1%
35058	1	< 0.1%
35057	1	< 0.1%
35056	1	< 0.1%
35055	1	< 0.1%

year
Categorical

HIGH CORRELATION

Distinct	5
Distinct (%)	< 0.1%
Missing	0
Missing (%)	0.0%
Memory size	274.1 KiB

2016	8784
2014	8760
2015	8760
2013	7344
2017	1416

Length

Max length	4
Median length	4
Mean length	4
Min length	4

Characters and Unicode

Total characters	140256
Distinct characters	8
Distinct categories	1 ?
Distinct scripts	1 ?
Distinct blocks	1 ?

The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique	0 ?
Unique (%)	0.0%

Sample

1st row	2013
2nd row	2013
3rd row	2013
4th row	2013
5th row	2013

Common Values

Value	Count	Frequency (%)
2016	8784	25.1%
2014	8760	25.0%
2015	8760	25.0%
2013	7344	20.9%
2017	1416	4.0%

Length

Histogram of lengths of the category

Common Values (Plot)

Value	Count	Frequency (%)
2016	8784	25.1%
2014	8760	25.0%
2015	8760	25.0%
2013	7344	20.9%
2017	1416	4.0%

Most occurring characters

Value	Count	Frequency (%)
2	35064	25.0%
0	35064	25.0%
1	35064	25.0%
6	8784	6.3%
4	8760	6.2%
5	8760	6.2%
3	7344	5.2%
7	1416	1.0%

Most occurring categories

Value	Count	Frequency (%)
Decimal Number	140256	100.0%

Most frequent character per category

Decimal Number

Value	Count	Frequency (%)
2	35064	25.0%
0	35064	25.0%
1	35064	25.0%
6	8784	6.3%
4	8760	6.2%
5	8760	6.2%
3	7344	5.2%
7	1416	1.0%

Most occurring scripts

Value	Count	Frequency (%)
Common	140256	100.0%

Most frequent character per script

Common

Value	Count	Frequency (%)
2	35064	25.0%
0	35064	25.0%
1	35064	25.0%
6	8784	6.3%
4	8760	6.2%
5	8760	6.2%
3	7344	5.2%
7	1416	1.0%

Most occurring blocks

Value	Count	Frequency (%)
ASCII	140256	100.0%

Most frequent character per block

ASCII

Value	Count	Frequency (%)
2	35064	25.0%
0	35064	25.0%
1	35064	25.0%
6	8784	6.3%
4	8760	6.2%
5	8760	6.2%
3	7344	5.2%
7	1416	1.0%

month
Real number (ℝ)

Distinct	12
Distinct (%)	< 0.1%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	6.5229295

Minimum	1
Maximum	12
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	1
5-th percentile	1
Q1	4
median	7
Q3	10
95-th percentile	12
Maximum	12
Range	11
Interquartile range (IQR)	6

Descriptive statistics

Standard deviation	3.4487524
Coefficient of variation (CV)	0.52871219
Kurtosis	-1.2080577
Mean	6.5229295
Median Absolute Deviation (MAD)	3
Skewness	-0.0092942217
Sum	228720
Variance	11.893893
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=12)

Value	Count	Frequency (%)
3	2976	8.5%
5	2976	8.5%
7	2976	8.5%
8	2976	8.5%
10	2976	8.5%
12	2976	8.5%
1	2976	8.5%
4	2880	8.2%
6	2880	8.2%
9	2880	8.2%
Other values (2)	5592	15.9%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
1	2976	8.5%
2	2712	7.7%
3	2976	8.5%
4	2880	8.2%
5	2976	8.5%
6	2880	8.2%
7	2976	8.5%
8	2976	8.5%
9	2880	8.2%
10	2976	8.5%

Value	Count	Frequency (%)
12	2976	8.5%
11	2880	8.2%
10	2976	8.5%
9	2880	8.2%
8	2976	8.5%
7	2976	8.5%
6	2880	8.2%
5	2976	8.5%
4	2880	8.2%
3	2976	8.5%

day
Real number (ℝ)

Distinct	31
Distinct (%)	0.1%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	15.729637

Minimum	1
Maximum	31
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	1
5-th percentile	2
Q1	8
median	16
Q3	23
95-th percentile	29
Maximum	31
Range	30
Interquartile range (IQR)	15

Descriptive statistics

Standard deviation	8.8002175
Coefficient of variation (CV)	0.55946729
Kurtosis	-1.1940295
Mean	15.729637
Median Absolute Deviation (MAD)	8
Skewness	0.0067598056
Sum	551544
Variance	77.443829
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=31)

Value	Count	Frequency (%)
1	1152	3.3%
2	1152	3.3%
28	1152	3.3%
27	1152	3.3%
26	1152	3.3%
25	1152	3.3%
24	1152	3.3%
23	1152	3.3%
22	1152	3.3%
21	1152	3.3%
Other values (21)	23544	67.1%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
1	1152	3.3%
2	1152	3.3%
3	1152	3.3%
4	1152	3.3%
5	1152	3.3%
6	1152	3.3%
7	1152	3.3%
8	1152	3.3%
9	1152	3.3%
10	1152	3.3%

Value	Count	Frequency (%)
31	672	1.9%
30	1056	3.0%
29	1080	3.1%
28	1152	3.3%
27	1152	3.3%
26	1152	3.3%
25	1152	3.3%
24	1152	3.3%
23	1152	3.3%
22	1152	3.3%

hour
Real number (ℝ)

ZEROS

Distinct	24
Distinct (%)	0.1%
Missing	0
Missing (%)	0.0%
Infinite	0
Infinite (%)	0.0%
Mean	11.5

Minimum	0
Maximum	23
Zeros	1461
Zeros (%)	4.2%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	0
5-th percentile	1
Q1	5.75
median	11.5
Q3	17.25
95-th percentile	22
Maximum	23
Range	23
Interquartile range (IQR)	11.5

Descriptive statistics

Standard deviation	6.9222853
Coefficient of variation (CV)	0.60193785
Kurtosis	-1.2041745
Mean	11.5
Median Absolute Deviation (MAD)	6
Skewness	0
Sum	403236
Variance	47.918033
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=24)

Value	Count	Frequency (%)
0	1461	4.2%
1	1461	4.2%
22	1461	4.2%
21	1461	4.2%
20	1461	4.2%
19	1461	4.2%
18	1461	4.2%
17	1461	4.2%
16	1461	4.2%
15	1461	4.2%
Other values (14)	20454	58.3%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	1461	4.2%
1	1461	4.2%
2	1461	4.2%
3	1461	4.2%
4	1461	4.2%
5	1461	4.2%
6	1461	4.2%
7	1461	4.2%
8	1461	4.2%
9	1461	4.2%

Value	Count	Frequency (%)
23	1461	4.2%
22	1461	4.2%
21	1461	4.2%
20	1461	4.2%
19	1461	4.2%
18	1461	4.2%
17	1461	4.2%
16	1461	4.2%
15	1461	4.2%
14	1461	4.2%

PM2.5
Real number (ℝ)

HIGH CORRELATION MISSING

Distinct	545
Distinct (%)	1.6%
Missing	677
Missing (%)	1.9%
Infinite	0
Infinite (%)	0.0%
Mean	82.164911

Minimum	3
Maximum	821
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	3
5-th percentile	7
Q1	22
median	59
Q3	113
95-th percentile	243.7
Maximum	821
Range	818
Interquartile range (IQR)	91

Descriptive statistics

Standard deviation	80.921384
Coefficient of variation (CV)	0.98486547
Kurtosis	5.7725514
Mean	82.164911
Median Absolute Deviation (MAD)	41
Skewness	1.9653536
Sum	2825404.8
Variance	6548.2704
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
3	633	1.8%
9	577	1.6%
11	576	1.6%
10	565	1.6%
12	542	1.5%
8	514	1.5%
15	473	1.3%
13	469	1.3%
7	467	1.3%
14	465	1.3%
Other values (535)	29106	83.0%
(Missing)	677	1.9%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
3	633	1.8%
4	253	0.7%
5	299	0.9%
6	405	1.2%
7	467	1.3%
8	514	1.5%
9	577	1.6%
10	565	1.6%
11	576	1.6%
12	542	1.5%

Value	Count	Frequency (%)
821	1	< 0.1%
808	1	< 0.1%
801	1	< 0.1%
758	1	< 0.1%
743	1	< 0.1%
720	1	< 0.1%
712	1	< 0.1%
691	1	< 0.1%
671	1	< 0.1%
667	1	< 0.1%

PM10
Real number (ℝ)

HIGH CORRELATION MISSING

Distinct	640
Distinct (%)	1.9%
Missing	597
Missing (%)	1.7%
Infinite	0
Infinite (%)	0.0%
Mean	106.36367

Minimum	2
Maximum	988
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	2
5-th percentile	13
Q1	41
median	85
Q3	144
95-th percentile	276
Maximum	988
Range	986
Interquartile range (IQR)	103

Descriptive statistics

Standard deviation	89.700157
Coefficient of variation (CV)	0.84333452
Kurtosis	6.4815764
Mean	106.36367
Median Absolute Deviation (MAD)	49
Skewness	1.9414441
Sum	3666036.7
Variance	8046.1181
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
21	302	0.9%
24	283	0.8%
17	281	0.8%
29	280	0.8%
18	277	0.8%
22	271	0.8%
36	269	0.8%
20	268	0.8%
14	267	0.8%
16	266	0.8%
Other values (630)	31703	90.4%
(Missing)	597	1.7%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
2	6	< 0.1%
3	30	0.1%
4	16	< 0.1%
5	205	0.6%
5.4	2	< 0.1%
6	235	0.7%
7	128	0.4%
7.7	1	< 0.1%
8	156	0.4%
8.2	1	< 0.1%

Value	Count	Frequency (%)
988	1	< 0.1%
927	1	< 0.1%
899	1	< 0.1%
894	1	< 0.1%
893	1	< 0.1%
887	1	< 0.1%
870	1	< 0.1%
863	1	< 0.1%
839	2	< 0.1%
807	1	< 0.1%

SO2
Real number (ℝ)

MISSING

Distinct	259
Distinct (%)	0.8%
Missing	1118
Missing (%)	3.2%
Infinite	0
Infinite (%)	0.0%
Mean	14.367615

Minimum	0.5712
Maximum	273
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	0.5712
5-th percentile	2
Q1	3
median	7
Q3	17
95-th percentile	55
Maximum	273
Range	272.4288
Interquartile range (IQR)	14

Descriptive statistics

Standard deviation	20.144631
Coefficient of variation (CV)	1.402086
Kurtosis	15.109771
Mean	14.367615
Median Absolute Deviation (MAD)	5
Skewness	3.2605131
Sum	487723.06
Variance	405.80618
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
2	7583	21.6%
3	3251	9.3%
4	2253	6.4%
5	1779	5.1%
6	1687	4.8%
7	1388	4.0%
8	1209	3.4%
9	990	2.8%
10	944	2.7%
11	802	2.3%
Other values (249)	12060	34.4%
(Missing)	1118	3.2%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0.5712	3	< 0.1%
0.8568	5	< 0.1%
1	234	0.7%
1.1424	2	< 0.1%
1.428	1	< 0.1%
2	7583	21.6%
2.2848	2	< 0.1%
2.5704	3	< 0.1%
2.856	4	< 0.1%
3	3251	9.3%

Value	Count	Frequency (%)
273	1	< 0.1%
230	1	< 0.1%
227	2	< 0.1%
215	1	< 0.1%
205	1	< 0.1%
202	1	< 0.1%
200	1	< 0.1%
197	1	< 0.1%
194	1	< 0.1%
193	1	< 0.1%

NO2
Real number (ℝ)

HIGH CORRELATION MISSING

Distinct	319
Distinct (%)	0.9%
Missing	744
Missing (%)	2.1%
Infinite	0
Infinite (%)	0.0%
Mean	53.162646

Minimum	2
Maximum	241
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	2
5-th percentile	14
Q1	28
median	47
Q3	71
95-th percentile	114
Maximum	241
Range	239
Interquartile range (IQR)	43

Descriptive statistics

Standard deviation	31.946224
Coefficient of variation (CV)	0.60091486
Kurtosis	1.4163241
Mean	53.162646
Median Absolute Deviation (MAD)	21
Skewness	1.0748513
Sum	1824542
Variance	1020.5612
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
26	533	1.5%
19	533	1.5%
22	528	1.5%
28	523	1.5%
32	516	1.5%
23	515	1.5%
21	512	1.5%
29	501	1.4%
31	496	1.4%
24	496	1.4%
Other values (309)	29167	83.2%
(Missing)	744	2.1%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
2	66	0.2%
3	11	< 0.1%
4	32	0.1%
5	39	0.1%
6	54	0.2%
7	63	0.2%
8	82	0.2%
9	127	0.4%
10	152	0.4%
10.0597	1	< 0.1%

Value	Count	Frequency (%)
241	1	< 0.1%
238	1	< 0.1%
236	1	< 0.1%
231	1	< 0.1%
230	1	< 0.1%
228	1	< 0.1%
224	1	< 0.1%
223	1	< 0.1%
221	2	< 0.1%
219	1	< 0.1%

CO
Real number (ℝ)

HIGH CORRELATION MISSING

Distinct	117
Distinct (%)	0.3%
Missing	1126
Missing (%)	3.2%
Infinite	0
Infinite (%)	0.0%
Mean	1298.3033

Minimum	100
Maximum	10000
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	100
5-th percentile	300
Q1	500
median	900
Q3	1600
95-th percentile	3600
Maximum	10000
Range	9900
Interquartile range (IQR)	1100

Descriptive statistics

Standard deviation	1170.5933
Coefficient of variation (CV)	0.90163314
Kurtosis	8.8168753
Mean	1298.3033
Median Absolute Deviation (MAD)	400
Skewness	2.5053371
Sum	44061818
Variance	1370288.7
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
400	2775	7.9%
500	2552	7.3%
600	2538	7.2%
300	2435	6.9%
700	2351	6.7%
800	2103	6.0%
900	1759	5.0%
1000	1705	4.9%
1100	1522	4.3%
1200	1323	3.8%
Other values (107)	12875	36.7%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
100	144	0.4%
200	670	1.9%
300	2435	6.9%
400	2775	7.9%
500	2552	7.3%
600	2538	7.2%
700	2351	6.7%
800	2103	6.0%
900	1759	5.0%
1000	1705	4.9%

Value	Count	Frequency (%)
10000	5	< 0.1%
9900	2	< 0.1%
9800	1	< 0.1%
9700	2	< 0.1%
9600	1	< 0.1%
9500	1	< 0.1%
9300	3	< 0.1%
9200	4	< 0.1%
9100	2	< 0.1%
9000	8	< 0.1%

O3
Real number (ℝ)

HIGH CORRELATION MISSING

Distinct	678
Distinct (%)	2.0%
Missing	843
Missing (%)	2.4%
Infinite	0
Infinite (%)	0.0%
Mean	55.984297

Minimum	0.4284
Maximum	674
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	0.4284
5-th percentile	2
Q1	8
median	40
Q3	81
95-th percentile	186
Maximum	674
Range	673.5716
Interquartile range (IQR)	73

Descriptive statistics

Standard deviation	59.081528
Coefficient of variation (CV)	1.0553232
Kurtosis	2.6733922
Mean	55.984297
Median Absolute Deviation (MAD)	34
Skewness	1.5230505
Sum	1915838.6
Variance	3490.627
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
2	4037	11.5%
3	1031	2.9%
4	768	2.2%
5	655	1.9%
1	604	1.7%
6	554	1.6%
8	518	1.5%
7	474	1.4%
9	415	1.2%
11	384	1.1%
Other values (668)	24781	70.7%
(Missing)	843	2.4%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0.4284	7	< 0.1%
0.6426	13	< 0.1%
0.8568	22	0.1%
1	604	1.7%
1.071	43	0.1%
1.2852	42	0.1%
1.4994	60	0.2%
1.7136	45	0.1%
1.9278	40	0.1%
2	4037	11.5%

Value	Count	Frequency (%)
674	1	< 0.1%
673	1	< 0.1%
369	1	< 0.1%
367	1	< 0.1%
360	1	< 0.1%
350	1	< 0.1%
347	3	< 0.1%
346	1	< 0.1%
340	1	< 0.1%
332	1	< 0.1%

TEMP
Real number (ℝ)

HIGH CORRELATION

Distinct	963
Distinct (%)	2.7%
Missing	20
Missing (%)	0.1%
Infinite	0
Infinite (%)	0.0%
Mean	13.67149

Minimum	-16.8
Maximum	41.1
Zeros	332
Zeros (%)	0.9%
Negative	5222
Negative (%)	14.9%
Memory size	274.1 KiB

Quantile statistics

Minimum	-16.8
5-th percentile	-4
Q1	3.1
median	14.6
Q3	23.5
95-th percentile	30.7
Maximum	41.1
Range	57.9
Interquartile range (IQR)	20.4

Descriptive statistics

Standard deviation	11.458418
Coefficient of variation (CV)	0.83812507
Kurtosis	-1.1703241
Mean	13.67149
Median Absolute Deviation (MAD)	9.9
Skewness	-0.10086633
Sum	479103.68
Variance	131.29535
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
3	401	1.1%
0	332	0.9%
1	326	0.9%
-1	315	0.9%
2	302	0.9%
-2	240	0.7%
-4	212	0.6%
4	197	0.6%
5	196	0.6%
-5	193	0.6%
Other values (953)	32330	92.2%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
-16.8	2	< 0.1%
-16.3	1	< 0.1%
-16.2	1	< 0.1%
-16.1	1	< 0.1%
-16	1	< 0.1%
-15.9	3	< 0.1%
-15.8	2	< 0.1%
-15.6	1	< 0.1%
-15.4	1	< 0.1%
-15.3	2	< 0.1%

Value	Count	Frequency (%)
41.1	1	< 0.1%
40.4	1	< 0.1%
40	1	< 0.1%
39.6	1	< 0.1%
38.8	1	< 0.1%
38.4	1	< 0.1%
38.3	1	< 0.1%
38.2	1	< 0.1%
38.1	1	< 0.1%
38	2	< 0.1%

PRES
Real number (ℝ)

HIGH CORRELATION

Distinct	595
Distinct (%)	1.7%
Missing	20
Missing (%)	0.1%
Infinite	0
Infinite (%)	0.0%
Mean	1012.5474

Minimum	987.1
Maximum	1042
Zeros	0
Zeros (%)	0.0%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	987.1
5-th percentile	997
Q1	1004
median	1012.2
Q3	1020.9
95-th percentile	1029.2
Maximum	1042
Range	54.9
Interquartile range (IQR)	16.9

Descriptive statistics

Standard deviation	10.266059
Coefficient of variation (CV)	0.010138843
Kurtosis	-0.9080139
Mean	1012.5474
Median Absolute Deviation (MAD)	8.4
Skewness	0.09963305
Sum	35483712
Variance	105.39196
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
1023	305	0.9%
1021	258	0.7%
1025	254	0.7%
1024	253	0.7%
1022	244	0.7%
1020	240	0.7%
1026	230	0.7%
1014	223	0.6%
1019	222	0.6%
1016	221	0.6%
Other values (585)	32594	93.0%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
987.1	1	< 0.1%
987.5	1	< 0.1%
987.7	3	< 0.1%
987.8	3	< 0.1%
987.9	1	< 0.1%
988.1	1	< 0.1%
988.4	1	< 0.1%
988.5	1	< 0.1%
988.6	2	< 0.1%
988.8	1	< 0.1%

Value	Count	Frequency (%)
1042	1	< 0.1%
1041.8	1	< 0.1%
1041.6	1	< 0.1%
1041.4	1	< 0.1%
1041.2	2	< 0.1%
1041.1	2	< 0.1%
1041	2	< 0.1%
1040.9	1	< 0.1%
1040.8	3	< 0.1%
1040.7	1	< 0.1%

DEWP
Real number (ℝ)

HIGH CORRELATION

Distinct	617
Distinct (%)	1.8%
Missing	20
Missing (%)	0.1%
Infinite	0
Infinite (%)	0.0%
Mean	2.4475345

Minimum	-35.3
Maximum	28.8
Zeros	74
Zeros (%)	0.2%
Negative	15475
Negative (%)	44.1%
Memory size	274.1 KiB

Quantile statistics

Minimum	-35.3
5-th percentile	-20.2
Q1	-8.8
median	3
Q3	15
95-th percentile	22.1
Maximum	28.8
Range	64.1
Interquartile range (IQR)	23.8

Descriptive statistics

Standard deviation	13.810696
Coefficient of variation (CV)	5.6426971
Kurtosis	-1.1106335
Mean	2.4475345
Median Absolute Deviation (MAD)	11.9
Skewness	-0.19689612
Sum	85771.4
Variance	190.73532
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
17.6	142	0.4%
16.9	133	0.4%
16.4	130	0.4%
16.2	130	0.4%
17.2	129	0.4%
17	129	0.4%
17.8	128	0.4%
17.1	128	0.4%
17.3	126	0.4%
17.7	122	0.3%
Other values (607)	33747	96.2%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
-35.3	1	< 0.1%
-35.1	1	< 0.1%
-35	1	< 0.1%
-34.8	1	< 0.1%
-34.5	1	< 0.1%
-34.3	2	< 0.1%
-34.2	1	< 0.1%
-34.1	1	< 0.1%
-33.8	1	< 0.1%
-33.7	1	< 0.1%

Value	Count	Frequency (%)
28.8	2	< 0.1%
28.7	3	< 0.1%
28.5	2	< 0.1%
28.4	4	< 0.1%
28.3	2	< 0.1%
28.2	3	< 0.1%
28.1	3	< 0.1%
28	1	< 0.1%
27.9	1	< 0.1%
27.8	4	< 0.1%

RAIN
Real number (ℝ)

SKEWED ZEROS

Distinct	119
Distinct (%)	0.3%
Missing	20
Missing (%)	0.1%
Infinite	0
Infinite (%)	0.0%
Mean	0.064019518

Minimum	0
Maximum	46.4
Zeros	33673
Zeros (%)	96.0%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	0
5-th percentile	0
Q1	0
median	0
Q3	0
95-th percentile	0
Maximum	46.4
Range	46.4
Interquartile range (IQR)	0

Descriptive statistics

Standard deviation	0.78628199
Coefficient of variation (CV)	12.28191
Kurtosis	1020.5059
Mean	0.064019518
Median Absolute Deviation (MAD)	0
Skewness	27.335814
Sum	2243.5
Variance	0.61823937
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
0	33673	96.0%
0.1	310	0.9%
0.2	147	0.4%
0.3	118	0.3%
0.5	74	0.2%
0.4	71	0.2%
0.6	57	0.2%
0.7	47	0.1%
0.9	41	0.1%
0.8	35	0.1%
Other values (109)	471	1.3%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	33673	96.0%
0.1	310	0.9%
0.2	147	0.4%
0.3	118	0.3%
0.4	71	0.2%
0.5	74	0.2%
0.6	57	0.2%
0.7	47	0.1%
0.8	35	0.1%
0.9	41	0.1%

Value	Count	Frequency (%)
46.4	1	< 0.1%
36.6	1	< 0.1%
33.7	1	< 0.1%
33.1	1	< 0.1%
29.3	1	< 0.1%
29	1	< 0.1%
27.3	1	< 0.1%
24.1	1	< 0.1%
23.7	1	< 0.1%
21.7	1	< 0.1%

wd
Categorical

Distinct	16
Distinct (%)	< 0.1%
Missing	78
Missing (%)	0.2%
Memory size	274.1 KiB

ENE	3861
E	3564
NE	3540
ESE	2706
SW	2481
Other values (11)	18834

Length

Max length	3
Median length	2
Mean length	2.2486423
Min length	1

Characters and Unicode

Total characters	78671
Distinct characters	4
Distinct categories	1 ?
Distinct scripts	1 ?
Distinct blocks	1 ?

The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique	0 ?
Unique (%)	0.0%

Sample

1st row	NNW
2nd row	NW
3rd row	NNW
4th row	N
5th row	NNW

Common Values

Value	Count	Frequency (%)
ENE	3861	11.0%
E	3564	10.2%
NE	3540	10.1%
ESE	2706	7.7%
SW	2481	7.1%
NW	2466	7.0%
SSW	1953	5.6%
NNE	1928	5.5%
SE	1880	5.4%
N	1865	5.3%
Other values (6)	8742	24.9%

Length

Histogram of lengths of the category

Value	Count	Frequency (%)
ene	3861	11.0%
e	3564	10.2%
ne	3540	10.1%
ese	2706	7.7%
sw	2481	7.1%
nw	2466	7.0%
ssw	1953	5.6%
nne	1928	5.5%
se	1880	5.4%
n	1865	5.3%
Other values (6)	8742	25.0%

Most occurring characters

Value	Count	Frequency (%)
E	25448	32.3%
N	20321	25.8%
S	17093	21.7%
W	15809	20.1%

Most occurring categories

Value	Count	Frequency (%)
Uppercase Letter	78671	100.0%

Most frequent character per category

Uppercase Letter

Value	Count	Frequency (%)
E	25448	32.3%
N	20321	25.8%
S	17093	21.7%
W	15809	20.1%

Most occurring scripts

Value	Count	Frequency (%)
Latin	78671	100.0%

Most frequent character per script

Latin

Value	Count	Frequency (%)
E	25448	32.3%
N	20321	25.8%
S	17093	21.7%
W	15809	20.1%

Most occurring blocks

Value	Count	Frequency (%)
ASCII	78671	100.0%

Most frequent character per block

ASCII

Value	Count	Frequency (%)
E	25448	32.3%
N	20321	25.8%
S	17093	21.7%
W	15809	20.1%

WSPM
Real number (ℝ)

ZEROS

Distinct	101
Distinct (%)	0.3%
Missing	14
Missing (%)	< 0.1%
Infinite	0
Infinite (%)	0.0%
Mean	1.8607846

Minimum	0
Maximum	10.5
Zeros	623
Zeros (%)	1.8%
Negative	0
Negative (%)	0.0%
Memory size	274.1 KiB

Quantile statistics

Minimum	0
5-th percentile	0.4
Q1	1
median	1.5
Q3	2.4
95-th percentile	4.455
Maximum	10.5
Range	10.5
Interquartile range (IQR)	1.4

Descriptive statistics

Standard deviation	1.2803683
Coefficient of variation (CV)	0.68807978
Kurtosis	3.3696482
Mean	1.8607846
Median Absolute Deviation (MAD)	0.6
Skewness	1.566528
Sum	65220.5
Variance	1.6393429
Monotonicity	Not monotonic

Histogram with fixed size bins (bins=50)

Value	Count	Frequency (%)
1.2	1863	5.3%
1.1	1838	5.2%
1	1782	5.1%
1.3	1713	4.9%
0.9	1642	4.7%
1.4	1572	4.5%
1.5	1427	4.1%
0.8	1385	3.9%
1.6	1324	3.8%
0.7	1269	3.6%
Other values (91)	19235	54.9%

Minimum 10 values
Maximum 10 values

Value	Count	Frequency (%)
0	623	1.8%
0.1	234	0.7%
0.2	280	0.8%
0.3	244	0.7%
0.4	473	1.3%
0.5	691	2.0%
0.6	956	2.7%
0.7	1269	3.6%
0.8	1385	3.9%
0.9	1642	4.7%

Value	Count	Frequency (%)
10.5	1	< 0.1%
10.3	1	< 0.1%
10.2	1	< 0.1%
9.9	2	< 0.1%
9.8	1	< 0.1%
9.7	4	< 0.1%
9.6	1	< 0.1%
9.5	1	< 0.1%
9.3	1	< 0.1%
9.2	2	< 0.1%

station
Categorical

CONSTANT

Distinct	1
Distinct (%)	< 0.1%
Missing	0
Missing (%)	0.0%
Memory size	274.1 KiB

Tiantan	35064

Length

Max length	7
Median length	7
Mean length	7
Min length	7

Characters and Unicode

Total characters	245448
Distinct characters	5
Distinct categories	2 ?
Distinct scripts	1 ?
Distinct blocks	1 ?

The Unicode Standard assigns character properties to each code point, which can be used to analyse textual variables.

Unique

Unique	0 ?
Unique (%)	0.0%

Sample

1st row	Tiantan
2nd row	Tiantan
3rd row	Tiantan
4th row	Tiantan
5th row	Tiantan

Common Values

Value	Count	Frequency (%)
Tiantan	35064	100.0%

Length

Histogram of lengths of the category

Common Values (Plot)

Value	Count	Frequency (%)
tiantan	35064	100.0%

Most occurring characters

Value	Count	Frequency (%)
a	70128	28.6%
n	70128	28.6%
T	35064	14.3%
i	35064	14.3%
t	35064	14.3%

Most occurring categories

Value	Count	Frequency (%)
Lowercase Letter	210384	85.7%
Uppercase Letter	35064	14.3%

Most frequent character per category

Lowercase Letter

Value	Count	Frequency (%)
a	70128	33.3%
n	70128	33.3%
i	35064	16.7%
t	35064	16.7%

Uppercase Letter

Value	Count	Frequency (%)
T	35064	100.0%

Most occurring scripts

Value	Count	Frequency (%)
Latin	245448	100.0%

Most frequent character per script

Latin

Value	Count	Frequency (%)
a	70128	28.6%
n	70128	28.6%
T	35064	14.3%
i	35064	14.3%
t	35064	14.3%

Most occurring blocks

Value	Count	Frequency (%)
ASCII	245448	100.0%

Most frequent character per block

ASCII

Value	Count	Frequency (%)
a	70128	28.6%
n	70128	28.6%
T	35064	14.3%
i	35064	14.3%
t	35064	14.3%

Auto

Heatmap
Table

	CO	DEWP	NO2	No	O3	PM10	PM2.5	PRES	RAIN	SO2	TEMP	WSPM	day	hour	month	wd	year
CO	1.000	0.131	0.716	-0.044	-0.473	0.730	0.851	0.069	0.016	0.453	-0.206	-0.442	0.007	-0.060	0.067	0.116	0.080
DEWP	0.131	1.000	-0.072	-0.089	0.203	0.143	0.246	-0.775	0.178	-0.300	0.815	-0.209	0.019	-0.021	0.256	0.122	0.148
NO2	0.716	-0.072	1.000	-0.024	-0.669	0.556	0.598	0.199	-0.065	0.380	-0.327	-0.479	0.020	-0.072	0.063	0.116	0.069
No	-0.044	-0.089	-0.024	1.000	-0.053	-0.084	-0.064	0.167	0.000	-0.245	-0.115	0.013	0.018	0.001	0.044	0.085	0.862
O3	-0.473	0.203	-0.669	-0.053	1.000	-0.210	-0.270	-0.406	-0.005	-0.003	0.559	0.498	-0.009	0.291	-0.212	0.173	0.043
PM10	0.730	0.143	0.556	-0.084	-0.210	1.000	0.886	-0.092	-0.083	0.436	-0.032	-0.257	0.030	0.044	-0.016	0.086	0.072
PM2.5	0.851	0.246	0.598	-0.064	-0.270	0.886	1.000	-0.089	-0.022	0.430	-0.035	-0.355	0.014	-0.013	0.015	0.094	0.058
PRES	0.069	-0.775	0.199	0.167	-0.406	-0.092	-0.089	1.000	-0.087	0.210	-0.841	0.000	0.010	-0.037	-0.011	0.079	0.148
RAIN	0.016	0.178	-0.065	0.000	-0.005	-0.083	-0.022	-0.087	1.000	-0.153	0.039	-0.005	-0.010	-0.007	0.042	0.005	0.010
SO2	0.453	-0.300	0.380	-0.245	-0.003	0.436	0.430	0.210	-0.153	1.000	-0.250	0.044	0.012	0.083	-0.253	0.049	0.099
TEMP	-0.206	0.815	-0.327	-0.115	0.559	-0.032	-0.035	-0.841	0.039	-0.250	1.000	0.130	0.018	0.146	0.126	0.110	0.148
WSPM	-0.442	-0.209	-0.479	0.013	0.498	-0.257	-0.355	0.000	-0.005	0.044	0.130	1.000	0.003	0.181	-0.152	0.181	0.042
day	0.007	0.019	0.020	0.018	-0.009	0.030	0.014	0.010	-0.010	0.012	0.018	0.003	1.000	0.000	0.010	0.031	0.000
hour	-0.060	-0.021	-0.072	0.001	0.291	0.044	-0.013	-0.037	-0.007	0.083	0.146	0.181	0.000	1.000	0.000	0.128	0.000
month	0.067	0.256	0.063	0.044	-0.212	-0.016	0.015	-0.011	0.042	-0.253	0.126	-0.152	0.010	0.000	1.000	0.085	0.249
wd	0.116	0.122	0.116	0.085	0.173	0.086	0.094	0.079	0.005	0.049	0.110	0.181	0.031	0.128	0.085	1.000	0.089
year	0.080	0.148	0.069	0.862	0.043	0.072	0.058	0.148	0.010	0.099	0.148	0.042	0.000	0.000	0.249	0.089	1.000

A simple visualization of nullity by column.

Nullity matrix is a data-dense display which lets you quickly visually pick out patterns in data completion.

The correlation heatmap measures nullity correlation: how strongly the presence or absence of one variable affects the presence of another.

First rows
Last rows

	No	year	month	day	hour	PM2.5	PM10	SO2	NO2	CO	O3	TEMP	PRES	DEWP	wd	WSPM	station
0	1	2013	3	1	0	6.0	6.0	4.0	8.0	300.0	81.0	-0.5	1024.5	-21.4	NNW	5.7	Tiantan
1	2	2013	3	1	1	6.0	29.0	5.0	9.0	300.0	80.0	-0.7	1025.1	-22.1	NW	3.9	Tiantan
2	3	2013	3	1	2	6.0	6.0	4.0	12.0	300.0	75.0	-1.2	1025.3	-24.6	NNW	5.3	Tiantan
3	4	2013	3	1	3	6.0	6.0	4.0	12.0	300.0	74.0	-1.4	1026.2	-25.5	N	4.9	Tiantan
4	5	2013	3	1	4	5.0	5.0	7.0	15.0	400.0	70.0	-1.9	1027.1	-24.5	NNW	3.2	Tiantan
5	6	2013	3	1	5	10.0	10.0	12.0	15.0	400.0	70.0	-2.4	1027.5	-21.3	NW	2.4	Tiantan
6	7	2013	3	1	6	8.0	19.0	12.0	14.0	400.0	72.0	-2.5	1028.2	-20.4	NW	2.2	Tiantan
7	8	2013	3	1	7	7.0	7.0	12.0	19.0	400.0	67.0	-1.4	1029.5	-20.4	NNW	3.0	Tiantan
8	9	2013	3	1	8	3.0	6.0	14.0	29.0	500.0	56.0	-0.3	1030.4	-21.2	NW	4.6	Tiantan
9	10	2013	3	1	9	8.0	2.0	11.0	22.0	500.0	65.0	0.4	1030.5	-23.3	N	5.5	Tiantan

	No	year	month	day	hour	PM2.5	PM10	SO2	NO2	CO	O3	TEMP	PRES	DEWP	wd	WSPM	station
35054	35055	2017	2	28	14	13.0	49.0	2.0	19.0	300.0	91.0	14.6	1013.3	-15.6	N	3.6	Tiantan
35055	35056	2017	2	28	15	9.0	9.0	2.0	22.0	300.0	91.0	15.4	1013.0	-15.0	NNW	3.3	Tiantan
35056	35057	2017	2	28	16	10.0	29.0	3.0	21.0	300.0	94.0	14.9	1012.6	-15.4	NW	2.1	Tiantan
35057	35058	2017	2	28	17	9.0	37.0	NaN	NaN	NaN	NaN	14.2	1012.5	-14.9	NW	3.1	Tiantan
35058	35059	2017	2	28	18	15.0	43.0	NaN	NaN	NaN	NaN	13.4	1013.0	-15.5	WNW	1.4	Tiantan
35059	35060	2017	2	28	19	20.0	48.0	2.0	NaN	500.0	NaN	12.5	1013.5	-16.2	NW	2.4	Tiantan
35060	35061	2017	2	28	20	11.0	34.0	3.0	36.0	500.0	NaN	11.6	1013.6	-15.1	WNW	0.9	Tiantan
35061	35062	2017	2	28	21	18.0	32.0	4.0	48.0	500.0	48.0	10.8	1014.2	-13.3	NW	1.1	Tiantan
35062	35063	2017	2	28	22	15.0	42.0	5.0	52.0	600.0	44.0	10.5	1014.4	-12.9	NNW	1.2	Tiantan
35063	35064	2017	2	28	23	15.0	50.0	5.0	68.0	700.0	21.0	8.6	1014.1	-15.9	NNE	1.3	Tiantan

Overview

Variables

Common Values

Length

Common Values (Plot)

Most occurring characters

Most occurring categories

Most frequent character per category

Decimal Number

Most occurring scripts

Most frequent character per script

Common

Most occurring blocks

Most frequent character per block

ASCII

Common Values

Length

Most occurring characters

Most occurring categories

Most frequent character per category

Uppercase Letter

Most occurring scripts

Most frequent character per script

Latin

Most occurring blocks

Most frequent character per block

ASCII

Common Values

Length

Common Values (Plot)

Most occurring characters

Most occurring categories

Most frequent character per category

Lowercase Letter

Uppercase Letter

Most occurring scripts

Most frequent character per script

Latin

Most occurring blocks

Most frequent character per block

ASCII

Interactions

Correlations

Missing values

Sample